You are as slippery as an eel.

Daily   ✦     Martial
Move Action      Personal

Prerequisite: You must have training in Acrobatics.

Effect: You automatically succeed on an Acrobatics check to escape from a grab or from restraints.

Update (10/3/2011)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 121, Class Compendium.